8.3.33 Secondary UL Frequency Update [FDD]

25.4233GPPRelease 17TSUTRAN Iur interface Radio Network Subsystem Application Part (RNSAP) signalling

8.3.33.1 General

The purpose of this procedure is to inform the SRNC about updates to activation state of the secondary UL frequency of the UE in Dual Cell E-DCH operation or change the activation state of the secondary UL frequency of the UE in Dual Cell E-DCH operation when E-DCH decoupling is configured.

This procedure shall use the signalling bearer connection for the relevant UE context.

8.3.33.2 Successful Operation

Figure 26S: Secondary UL Frequency Update procedure

The Secondary UL Frequency Update procedure is initiated by the DRNS by sending the SECONDARY UL FREQUENCY UPDATE INDICATION message to the SRNC.

If the DRNS needs to update the local activation state of the Secondary uplink frequency of the UE in Dual Cell E-DCH operation, the DRNS shall send SECONDARY UL FREQUENCY UPDATE INDICATION message and include the Activation Information IE.

8.3.33.3 Abnormal Conditions

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